899060820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{305803}}^1$

素因数の和:305829

約数の個数: 72

約数和(自身を含む): 2928379104

約数和(自身を除く): 2029318284

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 305803, 611606, 917409, 1223212, 1529015, 1834818, 2140621, 3058030, 3669636, 4281242, 4587045, 6116060, 6421863, 8562484, 9174090, 10703105, 12843726, 14984347, 18348180, 21406210, 25687452, 29968694, 32109315, 42812420, 44953041, 59937388, 64218630, 74921735, 89906082, 128437260, 149843470, 179812164, 224765205, 299686940, 449530410, 899060820]

約数ペア:

[(1, 899060820), (2, 449530410), (3, 299686940), (4, 224765205), (5, 179812164), (6, 149843470), (7, 128437260), (10, 89906082), (12, 74921735), (14, 64218630), (15, 59937388), (20, 44953041), (21, 42812420), (28, 32109315), (30, 29968694), (35, 25687452), (42, 21406210), (49, 18348180), (60, 14984347), (70, 12843726), (84, 10703105), (98, 9174090), (105, 8562484), (140, 6421863), (147, 6116060), (196, 4587045), (210, 4281242), (245, 3669636), (294, 3058030), (420, 2140621), (490, 1834818), (588, 1529015), (735, 1223212), (980, 917409), (1470, 611606), (2940, 305803)]